C# - Javascript Loading Before Serverside Image Is Deployed?
Mar 22, 2011
Here is my Javascript
<%-- script to load the default image--%>
<script type="text/javascript"><!--
window.addEventListener('load', function () {
// Get the canvas element.
[Code]....
If you look at the img.src at the very bottom, it loads the defaultImage.ClientId from the server which is suppose to get the image on the page. If I use a normal url it works, but if I use document.getElementById(imgid).src it just doesnt load an image. I am assuming its because the javascript loads before the serverside code is ran. How can I get around this?
I have an image control that puts user's photo in it. Once it's loaded, I resize it using the javascript.But the thing is, when the page is loading, the image gets really big, then shrinks down being called by the javascript. Is there a way for me to pre-load the image before displaying it? I do'nt want to set the image control's width and height to fixed pixels at this point.
I have a website with a menu, when menu item is clicked I display the page for that menu in an iframe(iframe is set to display home page initially by default). sometimes it could take few seconds to display the page for the selected menu item (for example reports) and I would like to display a loading image while the page is loading. how to do this using javascript or jQuery
i have implemented an image preloader using javascript inside my mvc 2 web app, in order to display an animated "loading" image .gif while sequentially displaying page images.I have also implemented caching using a cache profile for the controller action that displays the specific page ([OutputCache(CacheProfile = "LongCache")]).The problem is that the image preloader javascript is called when caching is applied. I was wondering whether i could, somehow, use the image preloader code only when the page gets refreshed and not when the cached version is rendered.
FOr this i Used __doPostBack but page flickering is occured eventhought if we keep update panels,
I have a gridview control from gridview I am calling RowCommand event and then a Popup Page from Popup i will return some values and again i need to bind the values back to the DataTable and then to GridView.
In JS if i User doPostBack('xyz','') page flickering is ocurred and if i user doPostBack('updatepanel1','') ID also flickering is not occuring bt values gets binded to GRidview after 5 sec delay....
is ther any alternate sol for this to do...
any Jquery or any JS???
or if i use ScriptManager Page Method is there any issues with that bcz we need to have a static method in server side.....:(
I have to pass a string value from the server side page (.aspx.cs) to a function in .JS page. I need to call the function in JS page from server side page along with string as a parameter.
I have update panel on the page to avoid postback and placed a dropdownlist control within that update panel. DrodownList is filled with Category names and also it's autopostback set to True.
Now whenever dropdownlist index change's on select, untill page loads complete data it should show mesage as "Loading.... in center and middle of the page and background should become bit transparent". And when page load completely with data then that background and message should get disappear.
i have developed my asp.net application along wih crystal report .... i need to show loading image on ever client and server side request .... (i.e) like when ever IE progress bar get loading i want to show my gif loading ... after IE progress bar finish its loading, my gif loading image should disappear .
Let's say I have a function that takes a string. That string contains the fully name of an enum type (e.g. "MyCompany.Area.AotherNamespace.MyEnum").
How could I create an array of strings (or List<string>) whose elements are the values of MyCompany.Area.AotherNamespace.MyEnum?
Is that even possible?I'm basically trying to serialize an enum type serverside and then output it in clientside JavaScript so I don't have to define an enum in two places--in my C# and my JavaScript.
I'm making a website in ASP.NET 4.0 where I make use of the RequiredFieldValidator control to validate a wizardstep.It works perfectly with Javascript enabled, but when I turn it off (in my Firefox) it just goes to the next step.We don't do a Page.IsValid check, but we don't do much on the "next button clicked" event either.Certainly not something that is forcing it to go to the next step.
I have two themes in my .Net application, both use the same background image. Both have an images folder with this image in them, both have style sheets. One works and one doesn't but ONLY when deployed in IIS in a Virtual Directory scenario so there is an added /MyApp/ directory.
I can't seem to even trick the one that doesn't work into finding the image. My style looks like this:
body { margin:0px; font-family: Trebuchet MS, Verdana; font-size: 12px; font-style: normal; background: #fff url(images/mainbg.jpg) repeat top left; }
We need to generate ajax loading image in asp.net like as [URL]. Is it Possible in asp.net? If possible provide some solution with example or sample url to develope this.
in part of my web page, I have couple of asp:image Thumbnails, onclick I use ajax modal popup extender to show the imgae in full size which are working fine, what I need to add is to have a processing image or indicator both in thumbnail and modal popup extender, I also have ajax autocomplete that is working fine, I need to add some indicator or processing image to it as soon as user start typing a word.
Is it possible to get the size of an image (probably its size in bytes) from a web server, without loading it?Do web servers have accessible properties (fields) with regard to file sizes? This would allow for checking the image size without loading.Often when a web server's directory is loaded into a browser, it tells you each file's size, from server-side. Can I, as an ASP developer, access that data at all?I'm using C# .Net 4Edit: I am acting as a client and requesting this info from other web servers.
I am using a fileloader to load a photo into a folder,but, I am having difficulty getting the photo to appear in the imagebox on the form. This is the code I'm using
Protected Sub btnup_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnup.Click, btnup.Click
If FileUpload1.HasFile Then Try FileUpload1.SaveAs("C:inetpubwwwrootwebapplication1images" & _ FileUpload1.FileName) Label1.Text = "File name: " & _
[Code]..
For some reason I am being told that the image part of image.file is error BC30561: 'Image' is ambiguous, imported from the namespaces or types 'System.Web.UI.WebControls, System.Drawing'.
My colleagues have create a website and there is a webpage which contains a Tab.
He Implement the tab with the following method:
1.Load all content of the page 2.Use javascript to display those group content as block and organize them into tabs. 3.when user click one tab, then acitve it, and hide all other tabs.
And these functions works very well, but the performance is bad:
1.Load all contents cost lots of time 2.It will show all content at first, and then shrink to a tab control. When the user see this, it might think this is a bug of our system.
iam into problem of reading the value of the control which i alterd using javascript the sequence goes like this i got the text box control by using its id ,cleared the value of the text box,make the control disabled.when i tried to retrive the value of the textbox in aspx.cs.iam still getting the old value of the text box which i actualy cleared in the javascript
In my MSSQL Server I have a table named Nomogram including an attribute named Img1 which include an image of type varbinary(MAX)I wish to load that image on my webform using an http-handler (ashx).How do I do that? I have looked at this sample but I can figure it out how to solve my exact problem. [URL]
